EP1168173A3 - Fault tolerant storage device with cache - Google Patents

Fault tolerant storage device with cache Download PDF

Info

Publication number
EP1168173A3
EP1168173A3 EP01305248A EP01305248A EP1168173A3 EP 1168173 A3 EP1168173 A3 EP 1168173A3 EP 01305248 A EP01305248 A EP 01305248A EP 01305248 A EP01305248 A EP 01305248A EP 1168173 A3 EP1168173 A3 EP 1168173A3
Authority
EP
European Patent Office
Prior art keywords
cache
storage device
fault tolerant
tolerant storage
fault
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01305248A
Other languages
German (de)
French (fr)
Other versions
EP1168173A2 (en
Inventor
Trevor Heathorn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Snap Appliance Inc
Original Assignee
Snap Appliance Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Snap Appliance Inc filed Critical Snap Appliance Inc
Publication of EP1168173A2 publication Critical patent/EP1168173A2/en
Publication of EP1168173A3 publication Critical patent/EP1168173A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/10—Indexing scheme relating to G06F11/10
    • G06F2211/1002—Indexing scheme relating to G06F11/1076
    • G06F2211/1009—Cache, i.e. caches used in RAID system with parity
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/10—Indexing scheme relating to G06F11/10
    • G06F2211/1002—Indexing scheme relating to G06F11/1076
    • G06F2211/1019—Fast writes, i.e. signaling the host that a write is done before data is written to disk

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
EP01305248A 2000-06-29 2001-06-15 Fault tolerant storage device with cache Withdrawn EP1168173A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60758100A 2000-06-29 2000-06-29
US607581 2000-06-29

Publications (2)

Publication Number Publication Date
EP1168173A2 EP1168173A2 (en) 2002-01-02
EP1168173A3 true EP1168173A3 (en) 2004-09-22

Family

ID=24432894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01305248A Withdrawn EP1168173A3 (en) 2000-06-29 2001-06-15 Fault tolerant storage device with cache

Country Status (2)

Country Link
EP (1) EP1168173A3 (en)
JP (1) JP2002055784A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7392347B2 (en) * 2003-05-10 2008-06-24 Hewlett-Packard Development Company, L.P. Systems and methods for buffering data between a coherency cache controller and memory
TWI320139B (en) * 2005-08-01 2010-02-01 Method for improving writing data efficiency and storage subsystem and system implementing the same
US8793440B2 (en) * 2010-06-17 2014-07-29 Microsoft Corporation Error detection for files
CN102122236B (en) * 2011-03-21 2013-08-28 华为数字技术（成都）有限公司 Write request processing method and device
CN113391947B (en) * 2021-06-22 2022-12-02 深圳忆联信息系统有限公司 SSD RAID stripe power failure rapid recovery method, device, computer equipment and storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0681238A1 (en) * 1994-05-05 1995-11-08 International Business Machines Corporation Raid level 5 with free blocks parity cache
EP0690379A2 (en) * 1994-06-20 1996-01-03 International Business Machines Corporation Enhanced data management in data storage subsystems
US5682396A (en) * 1991-01-31 1997-10-28 Hitachi, Ltd. Control unit in storage subsystem with improvement of redundant data updating
EP0936534A2 (en) * 1991-04-11 1999-08-18 Mitsubishi Denki Kabushiki Kaisha Recording device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682396A (en) * 1991-01-31 1997-10-28 Hitachi, Ltd. Control unit in storage subsystem with improvement of redundant data updating
EP0936534A2 (en) * 1991-04-11 1999-08-18 Mitsubishi Denki Kabushiki Kaisha Recording device
EP0681238A1 (en) * 1994-05-05 1995-11-08 International Business Machines Corporation Raid level 5 with free blocks parity cache
EP0690379A2 (en) * 1994-06-20 1996-01-03 International Business Machines Corporation Enhanced data management in data storage subsystems

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"PARITY BUFFER AS DATA CACHE FOR RAID SYSTEM", IBM TECHNICAL DISCLOSURE BULLETIN, IBM CORP. NEW YORK, US, vol. 38, no. 8, 1 August 1995 (1995-08-01), pages 47 - 48, XP000534425, ISSN: 0018-8689 *
MENON J ET AL: "THE ARCHITECTURE OF A FAULT-TOLERANT CACHED RAID CONTROLLER", PROCEEDINGS OF THE ANNUAL INTERNATIONAL SYMPOSIUM ON COMPUTER ARCHITECTURE. SAN DIEGO, MAY 16 - 19, 1993, LOS ALAMITOS, IEEE. COMP. SOC. PRESS, US, vol. SYMP. 20, May 1993 (1993-05-01), pages 76 - 86, XP002937543, ISBN: 0-8186-3810-9 *

Also Published As

Publication number Publication date
JP2002055784A (en) 2002-02-20
EP1168173A2 (en) 2002-01-02

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